WO2017107271A1 - Liquid crystal display and backlight module thereof - Google Patents

Liquid crystal display and backlight module thereof Download PDF

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Publication number
WO2017107271A1
WO2017107271A1 PCT/CN2016/071220 CN2016071220W WO2017107271A1 WO 2017107271 A1 WO2017107271 A1 WO 2017107271A1 CN 2016071220 W CN2016071220 W CN 2016071220W WO 2017107271 A1 WO2017107271 A1 WO 2017107271A1
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WO
WIPO (PCT)
Prior art keywords
light guide
backlight module
guide plate
flat plate
engaging portion
Prior art date
Application number
PCT/CN2016/071220
Other languages
French (fr)
Chinese (zh)
Inventor
俞刚
Original Assignee
深圳市华星光电技术有限公司
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Filing date
Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/909,802 priority Critical patent/US10061076B2/en
Publication of WO2017107271A1 publication Critical patent/WO2017107271A1/en

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086Positioning aspects
    • G02B6/0088Positioning aspects of the light guide or other optical sheets in the package
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314Back frames
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317Intermediate frames, e.g. between backlight housing and front frame
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322Mechanical guidance or alignment of LCD panel support components
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133325Assembling processes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46Fixing elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46Fixing elements
    • G02F2201/465Snap -fit

Definitions

  • the invention belongs to the technical field of liquid crystal display, and in particular to a liquid crystal display and a backlight module thereof.
  • LCDs liquid crystal displays
  • Ultra-thin design is a trend in the development of liquid crystal displays.
  • the liquid crystal display is ultra-thin, due to the limitation of the thickness and appearance of the liquid crystal display, the positioning of the components in the liquid crystal display needs to be redesigned to solve the problem of insufficient space.
  • an object of the present invention is to provide a backlight module including: a back frame having a first insertion hole on a bottom plate thereof; a light guide plate supported on the bottom plate; an optical film, a second insertion hole is disposed on the light guide plate; the fixing member includes a latching portion and a first insertion portion and a second insertion portion respectively disposed on two sides of the engaging portion; The engaging portion is engaged with the side of the light guide plate, the first engaging portion is inserted into the first insertion hole, and the second engaging portion is inserted into the second insertion hole.
  • the engaging portion includes: a first flat plate and a second flat plate and a third flat plate formed by extending opposite ends of the first flat plate toward the side surface of the light guide plate.
  • the second flat plate and the third flat plate are disposed in parallel and are perpendicular to the first flat plate.
  • the first flat plate is attached a side surface of the light guide plate
  • the second flat plate is attached to a top surface of the light guide plate
  • the third flat plate is attached to a bottom surface of the light guide plate.
  • the free end of the second flat plate extends along a direction away from a top surface of the light guide plate to form the first insertion portion.
  • first insertion portion is parallel to the first flat plate.
  • the free end of the third plate extends along a direction away from a bottom surface of the light guide plate to form the second insertion portion.
  • the second insertion portion is parallel to the first flat plate.
  • first jack and/or the second jack are through holes or blind holes.
  • Another object of the present invention is to provide a liquid crystal display comprising the above-described backlight module.
  • the invention has the beneficial effects that the back frame, the light guide plate and the optical film are fixedly combined by the fixing member, thereby solving the problem that the installation positioning space in the liquid crystal display is insufficient.
  • FIG. 1 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a backlight module in accordance with an embodiment of the present invention.
  • Figure 3 is an enlarged view of the area A in Figure 2;
  • Figure 4 is a perspective view of a fixture in accordance with an embodiment of the present invention.
  • FIG. 5 is a partial cutaway view of a backlight module in accordance with an embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention.
  • a liquid crystal display according to an embodiment of the present invention includes a liquid crystal panel 100 and a backlight module 200 disposed opposite to each other, wherein the backlight module 200 provides a uniform surface light source to the liquid crystal panel 100 to cause the liquid crystal panel 100 to display an image.
  • the gist of the present invention is directed to the backlight module 200, the specific structure of the liquid crystal panel 100 will not be described in detail herein. Those skilled in the art can refer to the specific structure of the liquid crystal panel disclosed in the prior art.
  • the backlight module 200 according to an embodiment of the present invention will be described in detail below.
  • 2 is an exploded perspective view of a backlight module in accordance with an embodiment of the present invention.
  • Figure 3 is an enlarged view of the area A in Figure 2.
  • a backlight module 200 includes a back frame 210 , a light guide plate 220 , an optical film 230 , and a fixing member 240 . It should be understood that the backlight module 200 may further include other necessary components such as a light source, a plastic frame, and the like. Since the gist of the present invention is directed to the fixing member 240 of the backlight module 200, these components are selectively omitted. The skilled person can refer to the relevant prior art.
  • the back frame 210 includes a bottom plate 211 and side plates 212 respectively extending from four sides of the bottom plate 211.
  • the four side plates 212 are all located on the same side of the bottom plate 211, and each of the side plates 212 is disposed perpendicular to the bottom plate 211.
  • a first insertion hole 2111 is formed in the bottom plate 211.
  • the first insertion hole 2111 is a blind hole.
  • the present invention is not limited thereto.
  • the first insertion hole 2111 may also be a through hole.
  • the number of the first insertion holes 2111 is two, but the present invention is not limited thereto.
  • the light guide plate 220 may have a flat shape as a whole, and includes a top surface 221 and a bottom surface 222 disposed opposite to each other and a side surface 223 connecting the top surface 221 and the bottom surface 222.
  • the light guide plate 220 is carried on the bottom plate 211 of the back frame 210.
  • the light guide plate 220 may be made of a transparent material such as PMMA or the like.
  • the optical film 230 is disposed on the light guide plate 220, and has a second insertion hole 231 on the optical film 230.
  • the second insertion hole 231 is a through hole.
  • the present invention is not limited thereto.
  • the second insertion hole 231 may also be a blind hole.
  • the number of the second insertion holes 231 is two, but the present invention is not limited thereto.
  • the second insertion holes 231 are disposed in one-to-one correspondence with the first insertion holes 2111.
  • the optical film 230 may be, for example, a brightness enhancement film or a diffusion film or the like which can improve the optical quality of light emitted from the top surface 221 of the light guide plate 220.
  • the number of the optical films 230 is not specifically limited, and different types and different numbers of optical films 230 may be disposed according to actual needs.
  • the fixing member 240 includes an engaging portion 241 and a first engaging portion 242 and a second engaging portion 243 respectively disposed on both sides of the engaging portion 241.
  • the engaging portion 241 is engaged with the side surface 223 of the light guide plate 220.
  • One of the insertion portions 242 is inserted into the first insertion hole 2111, and the second insertion portion 243 is inserted into the second insertion hole 231. In this way, the fixed combination of the back frame 210, the light guide plate 220 and the optical film 230 is realized by the fixing member 240, thereby solving the problem that the installation positioning space is insufficient.
  • FIG. 4 is a perspective view of a fixture in accordance with an embodiment of the present invention.
  • FIG. 5 is a partial cutaway view of a backlight module in accordance with an embodiment of the present invention.
  • the engaging portion 241 includes: a first flat plate 2411 and a second flat plate 2412 formed by extending opposite ends of the first flat plate 2411 toward the side surface 223 of the light guide plate 220, respectively.
  • the third plate 2413 is formed by extending opposite ends of the first flat plate 2411 toward the side surface 223 of the light guide plate 220, respectively.
  • the second flat plate 2412 and the third flat plate 2413 are disposed in parallel and are disposed perpendicular to the first flat plate 2411, but the present invention is not limited thereto.
  • the engaging portion 241 is engaged with the side surface 223 of the light guide plate 220
  • the first flat plate 2411 is adhered to the side surface 223 of the light guide plate 220
  • the second flat plate 2412 is adhered to the top surface 221 of the light guide plate 220
  • 2413 is bonded to the bottom surface 222 of the light guide plate 220.
  • the second flat plate 2412 is attached to the bottom surface 222 of the light guide plate 220
  • the third flat plate 2413 is attached to the top surface 221 of the light guide plate 220.
  • the free end of the second flat plate 2412 extends in a direction away from the top surface 221 of the light guide plate 220 to form the first engaging portion 242.
  • the first engaging portion 242 is disposed in parallel with the first flat plate 2411, but the present invention is not limited thereto.
  • the free end of the third flat plate 2413 extends in a direction away from the bottom surface 222 of the light guide plate 220 to form the second engaging portion 243.
  • the second engaging portion 243 is disposed in parallel with the first flat plate 2411, but the present invention is not limited thereto.
  • the back frame, the light guide plate and the optical film are fixedly combined by the fixing member, thereby solving the problem that the installation positioning space is insufficient in the liquid crystal display.

Abstract

A backlight module (200) comprises: a back frame (210) having a first jack (2111) provided on a bottom plate (211) thereof; a light guide (220), carried on the bottom plate (211); an optical film (230), disposed on the light guide (220), and having a second jack (231); and a fixing piece (240), comprising a fastening portion (241) and a first insertion portion (242) and a second insertion portion (243) respectively disposed on two sides of the fastening portion (241). The fastening portion (241) is fastened to a lateral surface of the light guide (220). The first insertion portion (242) is inserted in the first jack (2111), and the second insertion portion (243) is inserted in the second jack (231). Further provided is a liquid crystal display having the backlight module (200). By fixedly combining the back frame (210), the light guide (220), and the optical film (230) via the fixing piece, the present invention addresses a problem of insufficient installation and positioning space in a liquid crystal display.

Description

液晶显示器及其背光模块Liquid crystal display and backlight module thereof 技术领域Technical field
本发明属于液晶显示技术领域,具体地讲,涉及一种液晶显示器及其背光模块。The invention belongs to the technical field of liquid crystal display, and in particular to a liquid crystal display and a backlight module thereof.
背景技术Background technique
随着光电与半导体技术的演进,也带动了平板显示器(Flat Panel Display)的蓬勃发展,而在诸多平板显示器中,液晶显示器(Liquid Crystal Display,简称LCD)因具有高空间利用效率、低消耗功率、无辐射以及低电磁干扰等诸多优越特性,已成为市场的主流。With the evolution of optoelectronics and semiconductor technology, the flat panel display has also flourished. Among many flat panel displays, liquid crystal displays (LCDs) have high space utilization efficiency and low power consumption. Many advantages such as no radiation and low electromagnetic interference have become the mainstream of the market.
超薄设计是液晶显示器发展的一种趋势。然而,当液晶显示器实现超薄化时,由于液晶显示器的厚度以及外观的限制,需重新对液晶显示器中的元器件的定位进行优化设计,以解决空间不足的问题。Ultra-thin design is a trend in the development of liquid crystal displays. However, when the liquid crystal display is ultra-thin, due to the limitation of the thickness and appearance of the liquid crystal display, the positioning of the components in the liquid crystal display needs to be redesigned to solve the problem of insufficient space.
发明内容Summary of the invention
为了解决现有技术存在的问题,本发明的目的在于提供一种背光模块,其包括:背框,其底板上具有第一插孔;导光板,承载于所述底板之上;光学膜片,设置于所述导光板之上且其具有第二插孔;固定件,包括卡合部以及分别设置于所述卡合部两侧的第一插合部和第二插合部;其中,所述卡合部卡合于所述导光板的侧面,所述第一插合部插置于所述第一插孔中,所述第二插合部插置于所述第二插孔中。In order to solve the problems in the prior art, an object of the present invention is to provide a backlight module including: a back frame having a first insertion hole on a bottom plate thereof; a light guide plate supported on the bottom plate; an optical film, a second insertion hole is disposed on the light guide plate; the fixing member includes a latching portion and a first insertion portion and a second insertion portion respectively disposed on two sides of the engaging portion; The engaging portion is engaged with the side of the light guide plate, the first engaging portion is inserted into the first insertion hole, and the second engaging portion is inserted into the second insertion hole.
进一步地,所述卡合部包括:第一平板以及由所述第一平板的相对两端分别朝向所述导光板的侧面延伸形成的第二平板和第三平板。Further, the engaging portion includes: a first flat plate and a second flat plate and a third flat plate formed by extending opposite ends of the first flat plate toward the side surface of the light guide plate.
进一步地,所述第二平板和所述第三平板平行设置且均与所述第一平板垂直。Further, the second flat plate and the third flat plate are disposed in parallel and are perpendicular to the first flat plate.
进一步地,当所述卡合部卡合于所述导光板的侧面时,所述第一平板贴合 所述导光板的侧面,所述第二平板贴合所述导光板的顶表面,所述第三平板贴合所述导光板的底表面。Further, when the engaging portion is engaged with a side surface of the light guide plate, the first flat plate is attached a side surface of the light guide plate, the second flat plate is attached to a top surface of the light guide plate, and the third flat plate is attached to a bottom surface of the light guide plate.
进一步地,所述第二平板的自由端沿着远离所述导光板的顶表面的方向延伸形成所述第一插合部。Further, the free end of the second flat plate extends along a direction away from a top surface of the light guide plate to form the first insertion portion.
进一步地,所述第一插合部平行于所述第一平板。Further, the first insertion portion is parallel to the first flat plate.
进一步地,所述第三平板的自由端沿着远离所述导光板的底表面的方向延伸形成所述第二插合部。Further, the free end of the third plate extends along a direction away from a bottom surface of the light guide plate to form the second insertion portion.
进一步地,所述第二插合部平行于所述第一平板。Further, the second insertion portion is parallel to the first flat plate.
进一步地,所述第一插孔和/或第二插孔为通孔或盲孔。Further, the first jack and/or the second jack are through holes or blind holes.
本发明的另一目的还在于提供一种液晶显示器,其包括上述的背光模块。Another object of the present invention is to provide a liquid crystal display comprising the above-described backlight module.
本发明的有益效果:本发明通过固定件将背框、导光板和光学膜片固定结合在一起,从而解决了液晶显示器中安装定位空间不足的问题。The invention has the beneficial effects that the back frame, the light guide plate and the optical film are fixedly combined by the fixing member, thereby solving the problem that the installation positioning space in the liquid crystal display is insufficient.
附图说明DRAWINGS
通过结合附图进行的以下描述,本发明的实施例的上述和其它方面、特点和优点将变得更加清楚,附图中:The above and other aspects, features and advantages of the embodiments of the present invention will become more apparent from
图1是根据本发明的实施例的液晶显示器的结构示意图;1 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention;
图2是根据本发明的实施例的背光模块的立体分解图;2 is an exploded perspective view of a backlight module in accordance with an embodiment of the present invention;
图3是图2中A区域的放大图;Figure 3 is an enlarged view of the area A in Figure 2;
图4是根据本发明的实施例的固定件的立体图;Figure 4 is a perspective view of a fixture in accordance with an embodiment of the present invention;
图5是根据本发明的实施例的背光模块的局部剖切图。FIG. 5 is a partial cutaway view of a backlight module in accordance with an embodiment of the present invention.
具体实施方式detailed description
以下,将参照附图来详细描述本发明的实施例。然而,可以以许多不同的形式来实施本发明,并且本发明不应该被解释为限制于这里阐述的具体实施 例。相反,提供这些实施例是为了解释本发明的原理及其实际应用,从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the invention may be embodied in many different forms and the invention should not be construed as being limited to the specific embodiments set forth herein. example. Rather, these embodiments are provided to explain the principles of the invention and the application of the invention, and the various embodiments of the invention can be understood.
在附图中,为了清楚起见,夸大了层和区域的厚度。相同的标号在整个说明书和附图中可用来表示相同的元件。In the drawings, the thickness of layers and regions are exaggerated for clarity. The same reference numerals are used throughout the specification and drawings to refer to the same.
将理解的是,尽管在这里可使用术语“第一”、“第二”等来描述各种元件,但是这些元件不应受这些术语的限制。这些术语仅用于将一个元件与另一个元件区分开来。It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish one element from another.
图1是根据本发明的实施例的液晶显示器的结构示意图。1 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention.
参照图1,根据本发明的实施例的液晶显示器包括相对设置的液晶面板100和背光模块200,其中,背光模块200提供均匀的面光源给液晶面板100,以使该液晶面板100显示影像。Referring to FIG. 1, a liquid crystal display according to an embodiment of the present invention includes a liquid crystal panel 100 and a backlight module 200 disposed opposite to each other, wherein the backlight module 200 provides a uniform surface light source to the liquid crystal panel 100 to cause the liquid crystal panel 100 to display an image.
由于本发明的发明要点是针对背光模块200,所以为了避免赘述,液晶面板100的具体结构在此不再详细介绍,本领域的技术人员可参照现有技术中公开的液晶面板的具体结构。Since the gist of the present invention is directed to the backlight module 200, the specific structure of the liquid crystal panel 100 will not be described in detail herein. Those skilled in the art can refer to the specific structure of the liquid crystal panel disclosed in the prior art.
以下将对根据本发明的实施例的背光模块200进行详细的描述。图2是根据本发明的实施例的背光模块的立体分解图。图3是图2中A区域的放大图。The backlight module 200 according to an embodiment of the present invention will be described in detail below. 2 is an exploded perspective view of a backlight module in accordance with an embodiment of the present invention. Figure 3 is an enlarged view of the area A in Figure 2.
参照图2和图3,根据本发明的实施例的背光模块200包括:背框210、导光板220、光学膜片230以及固定件240。应当理解的是,背光模块200还可以包括光源、胶框等其他必要的元器件,由于本发明的发明要点是针对背光模块200的固定件240,因此这些元器件被选择性的省略,本领域的技术人员可参照相关的现有技术。Referring to FIGS. 2 and 3 , a backlight module 200 according to an embodiment of the present invention includes a back frame 210 , a light guide plate 220 , an optical film 230 , and a fixing member 240 . It should be understood that the backlight module 200 may further include other necessary components such as a light source, a plastic frame, and the like. Since the gist of the present invention is directed to the fixing member 240 of the backlight module 200, these components are selectively omitted. The skilled person can refer to the relevant prior art.
背框210包括:底板211及由底板211的四侧端分别延伸形成的侧板212。在本实施例中,优选地,四个侧板212均位于底板211的同一侧,且每个侧板212均与底板211垂直设置。底板211上形成第一插孔2111。在本实施例中,优选地,第一插孔2111为盲孔;但本发明并不限制于此,例如,第一插孔2111也可以为通孔。此外,第一插孔2111的数量为两个,但本发明并不限制于此。 The back frame 210 includes a bottom plate 211 and side plates 212 respectively extending from four sides of the bottom plate 211. In the present embodiment, preferably, the four side plates 212 are all located on the same side of the bottom plate 211, and each of the side plates 212 is disposed perpendicular to the bottom plate 211. A first insertion hole 2111 is formed in the bottom plate 211. In the embodiment, the first insertion hole 2111 is a blind hole. However, the present invention is not limited thereto. For example, the first insertion hole 2111 may also be a through hole. Further, the number of the first insertion holes 2111 is two, but the present invention is not limited thereto.
导光板220可整体呈平板状,其包括相对设置的顶表面221和底表面222以及连接顶表面221和底表面222的侧面223。导光板220承载于背框210的底板211上。在本实施例中,导光板220可由透明材料制成,例如PMMA等。The light guide plate 220 may have a flat shape as a whole, and includes a top surface 221 and a bottom surface 222 disposed opposite to each other and a side surface 223 connecting the top surface 221 and the bottom surface 222. The light guide plate 220 is carried on the bottom plate 211 of the back frame 210. In the present embodiment, the light guide plate 220 may be made of a transparent material such as PMMA or the like.
光学膜片230设置于导光板220之上,并且光学膜片230上具有第二插孔231。在本实施例中,优选地,第二插孔231为通孔;但本发明并不限制于此,例如第二插孔231也可以为盲孔。此外,第二插孔231的数量为两个,但本发明并不限制于此。具体地,第二插孔231与第一插孔2111一一对应设置。The optical film 230 is disposed on the light guide plate 220, and has a second insertion hole 231 on the optical film 230. In the embodiment, the second insertion hole 231 is a through hole. However, the present invention is not limited thereto. For example, the second insertion hole 231 may also be a blind hole. Further, the number of the second insertion holes 231 is two, but the present invention is not limited thereto. Specifically, the second insertion holes 231 are disposed in one-to-one correspondence with the first insertion holes 2111.
此外,光学膜片230可例如是增亮膜或扩散膜等,其能够改善由导光板220的顶表面221出射的光线的光学品质。在本实施例中,并不对光学膜片230的数量作具体限制,可以根据实际需求设置不同种类且不同数量的光学膜片230。Further, the optical film 230 may be, for example, a brightness enhancement film or a diffusion film or the like which can improve the optical quality of light emitted from the top surface 221 of the light guide plate 220. In this embodiment, the number of the optical films 230 is not specifically limited, and different types and different numbers of optical films 230 may be disposed according to actual needs.
固定件240包括卡合部241以及分别设置于卡合部241两侧的第一插合部242和第二插合部243;其中,卡合部241卡合于导光板220的侧面223,第一插合部242插置于第一插孔2111中,第二插合部243插置于第二插孔231中。这样,通过固定件240实现背框210、导光板220和光学膜片230的固定结合,从而解决安装定位空间不足的问题。The fixing member 240 includes an engaging portion 241 and a first engaging portion 242 and a second engaging portion 243 respectively disposed on both sides of the engaging portion 241. The engaging portion 241 is engaged with the side surface 223 of the light guide plate 220. One of the insertion portions 242 is inserted into the first insertion hole 2111, and the second insertion portion 243 is inserted into the second insertion hole 231. In this way, the fixed combination of the back frame 210, the light guide plate 220 and the optical film 230 is realized by the fixing member 240, thereby solving the problem that the installation positioning space is insufficient.
图4是根据本发明的实施例的固定件的立体图。图5是根据本发明的实施例的背光模块的局部剖切图。4 is a perspective view of a fixture in accordance with an embodiment of the present invention. FIG. 5 is a partial cutaway view of a backlight module in accordance with an embodiment of the present invention.
参照图4和图5,根据本发明的实施例的卡合部241包括:第一平板2411以及由第一平板2411的相对两端分别朝向导光板220的侧面223延伸形成的第二平板2412和第三平板2413。Referring to FIGS. 4 and 5 , the engaging portion 241 according to the embodiment of the present invention includes: a first flat plate 2411 and a second flat plate 2412 formed by extending opposite ends of the first flat plate 2411 toward the side surface 223 of the light guide plate 220, respectively. The third plate 2413.
在本实施例中,优选地,第二平板2412和第三平板2413平行设置且都与第一平板2411垂直设置,但本发明并不限制于此。In the present embodiment, preferably, the second flat plate 2412 and the third flat plate 2413 are disposed in parallel and are disposed perpendicular to the first flat plate 2411, but the present invention is not limited thereto.
这样,当卡合部241卡合于导光板220的侧面223时,第一平板2411与导光板220的侧面223贴合,第二平板2412与导光板220的顶表面221贴合,第三平板2413与导光板220的底表面222贴合。应当理解的是,作为本发明的另一实施方式,第二平板2412与导光板220的底表面222贴合,第三平板2413与导光板220的顶表面221贴合。 Thus, when the engaging portion 241 is engaged with the side surface 223 of the light guide plate 220, the first flat plate 2411 is adhered to the side surface 223 of the light guide plate 220, and the second flat plate 2412 is adhered to the top surface 221 of the light guide plate 220. 2413 is bonded to the bottom surface 222 of the light guide plate 220. It should be understood that, as another embodiment of the present invention, the second flat plate 2412 is attached to the bottom surface 222 of the light guide plate 220, and the third flat plate 2413 is attached to the top surface 221 of the light guide plate 220.
进一步地,第二平板2412的自由端(即第二平板2412未与第一平板2411连接的侧端)沿着远离导光板220的顶表面221的方向延伸形成第一插合部242。在本实施例中,第一插合部242与第一平板2411平行设置,但本发明并不限制于此。Further, the free end of the second flat plate 2412 (ie, the side end of the second flat plate 2412 not connected to the first flat plate 2411) extends in a direction away from the top surface 221 of the light guide plate 220 to form the first engaging portion 242. In the present embodiment, the first engaging portion 242 is disposed in parallel with the first flat plate 2411, but the present invention is not limited thereto.
更进一步地,第三平板2413的自由端(即第三平板2413未与第一平板2411连接的侧端)沿着远离导光板220的底表面222的方向延伸形成第二插合部243。在本实施例中,第二插合部243与第一平板2411平行设置,但本发明并不限制于此。Further, the free end of the third flat plate 2413 (ie, the side end of the third flat plate 2413 not connected to the first flat plate 2411) extends in a direction away from the bottom surface 222 of the light guide plate 220 to form the second engaging portion 243. In the present embodiment, the second engaging portion 243 is disposed in parallel with the first flat plate 2411, but the present invention is not limited thereto.
综上所述,根据本发明的实施例,通过固定件将背框、导光板和光学膜片固定结合在一起,从而解决了液晶显示器中安装定位空间不足的问题。In summary, according to the embodiment of the present invention, the back frame, the light guide plate and the optical film are fixedly combined by the fixing member, thereby solving the problem that the installation positioning space is insufficient in the liquid crystal display.
虽然已经参照特定实施例示出并描述了本发明,但是本领域的技术人员将理解:在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下,可在此进行形式和细节上的各种变化。 While the invention has been shown and described with respect to the specific embodiments the embodiments of the invention Various changes in details.

Claims (15)

  1. 一种背光模块,其中,包括:A backlight module, comprising:
    背框,其底板上具有第一插孔;a back frame having a first jack on a bottom plate thereof;
    导光板,承载于所述底板之上;a light guide plate carried on the bottom plate;
    光学膜片,设置于所述导光板之上且其具有第二插孔;An optical film disposed on the light guide plate and having a second insertion hole;
    固定件,包括卡合部以及分别设置于所述卡合部两侧的第一插合部和第二插合部;The fixing member includes an engaging portion and a first engaging portion and a second engaging portion respectively disposed at two sides of the engaging portion;
    其中,所述卡合部卡合于所述导光板的侧面,所述第一插合部插置于所述第一插孔中,所述第二插合部插置于所述第二插孔中。The engaging portion is engaged with a side surface of the light guide plate, the first insertion portion is inserted into the first insertion hole, and the second insertion portion is inserted into the second insertion portion. In the hole.
  2. 根据权利要求1所述的背光模块,其中,所述卡合部包括:第一平板以及由所述第一平板的相对两端分别朝向所述导光板的侧面延伸形成的第二平板和第三平板。The backlight module according to claim 1, wherein the engaging portion comprises: a first flat plate; and a second flat plate and a third formed by extending opposite ends of the first flat plate toward sides of the light guide plate flat.
  3. 根据权利要求2所述的背光模块,其中,所述第二平板和所述第三平板平行设置且均与所述第一平板垂直。The backlight module of claim 2, wherein the second flat plate and the third flat plate are disposed in parallel and are perpendicular to the first flat plate.
  4. 根据权利要求3所述的背光模块,其中,当所述卡合部卡合于所述导光板的侧面时,所述第一平板贴合所述导光板的侧面,所述第二平板贴合所述导光板的顶表面,所述第三平板贴合所述导光板的底表面。The backlight module according to claim 3, wherein when the engaging portion is engaged with a side surface of the light guide plate, the first flat plate is attached to a side surface of the light guide plate, and the second flat plate is attached a top surface of the light guide plate, the third flat plate is attached to a bottom surface of the light guide plate.
  5. 根据权利要求2所述的背光模块,其中,当所述卡合部卡合于所述导光板的侧面时,所述第一平板贴合所述导光板的侧面,所述第二平板贴合所述导光板的顶表面,所述第三平板贴合所述导光板的底表面。The backlight module according to claim 2, wherein when the engaging portion is engaged with a side surface of the light guide plate, the first flat plate is attached to a side surface of the light guide plate, and the second flat plate is attached a top surface of the light guide plate, the third flat plate is attached to a bottom surface of the light guide plate.
  6. 根据权利要求4所述的背光模块,其中,所述第二平板的自由端沿着远离所述导光板的顶表面的方向延伸形成所述第一插合部。The backlight module of claim 4, wherein the free end of the second flat plate extends in a direction away from a top surface of the light guide plate to form the first engaging portion.
  7. 根据权利要求5所述的背光模块,其中,所述第二平板的自由端沿着 远离所述导光板的顶表面的方向延伸形成所述第一插合部。The backlight module of claim 5, wherein the free end of the second plate is along The first insertion portion is formed to extend away from a direction of a top surface of the light guide plate.
  8. 根据权利要求6所述的背光模块,其中,所述第一插合部平行于所述第一平板。The backlight module of claim 6, wherein the first mating portion is parallel to the first flat plate.
  9. 根据权利要求7所述的背光模块,其中,所述第一插合部平行于所述第一平板。The backlight module of claim 7, wherein the first insertion portion is parallel to the first flat plate.
  10. 根据权利要求4所述的背光模块,其中,所述第三平板的自由端沿着远离所述导光板的底表面的方向延伸形成所述第二插合部。The backlight module of claim 4, wherein the free end of the third flat plate extends in a direction away from a bottom surface of the light guide plate to form the second engaging portion.
  11. 根据权利要求5所述的背光模块,其中,所述第三平板的自由端沿着远离所述导光板的底表面的方向延伸形成所述第二插合部。The backlight module according to claim 5, wherein the free end of the third flat plate extends in a direction away from a bottom surface of the light guide plate to form the second engaging portion.
  12. 根据权利要求10所述的背光模块,其中,所述第二插合部平行于所述第一平板。The backlight module of claim 10, wherein the second mating portion is parallel to the first flat plate.
  13. 根据权利要求11所述的背光模块,其中,所述第二插合部平行于所述第一平板。The backlight module of claim 11, wherein the second mating portion is parallel to the first flat plate.
  14. 根据权利要求1所述的背光模块,其中,所述第一插孔和/或第二插孔为通孔或盲孔。The backlight module of claim 1, wherein the first and/or second jacks are through holes or blind holes.
  15. 一种液晶显示器,包括相对设置的液晶面板和背光模块,其中,所述背光模块包括:A liquid crystal display includes a liquid crystal panel and a backlight module disposed opposite to each other, wherein the backlight module comprises:
    背框,其底板上具有第一插孔;a back frame having a first jack on a bottom plate thereof;
    导光板,承载于所述底板之上;a light guide plate carried on the bottom plate;
    光学膜片,设置于所述导光板之上且其具有第二插孔;An optical film disposed on the light guide plate and having a second insertion hole;
    固定件,包括卡合部以及分别设置于所述卡合部两侧的第一插合部和第二插合部;The fixing member includes an engaging portion and a first engaging portion and a second engaging portion respectively disposed at two sides of the engaging portion;
    其中,所述卡合部卡合于所述导光板的侧面,所述第一插合部插置于所述第一插孔中,所述第二插合部插置于所述第二插孔中。 The engaging portion is engaged with a side surface of the light guide plate, the first insertion portion is inserted into the first insertion hole, and the second insertion portion is inserted into the second insertion portion. In the hole.
PCT/CN2016/071220 2015-12-23 2016-01-18 Liquid crystal display and backlight module thereof WO2017107271A1 (en)

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